Bump flat from 4.1.1 to 5.0.1

Bumps [flat](https://github.com/hughsk/flat) from 4.1.1 to 5.0.1.
- [Release notes](https://github.com/hughsk/flat/releases)
- [Commits](hughsk/flat@4.1.1...5.0.1)

---
updated-dependencies:
- dependency-name: flat
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -16,7 +16,7 @@
     "cf-errors": "^0.1.16",
     "cf-logs": "^1.1.25",
     "columnify": "^1.5.4",
-    "flat": "^4.1.1",
+    "flat": "^5.0.1",
     "json-schema-deref-sync": "~0.14.0",
     "klaw-sync": "^6.0.0",
     "lodash": "~4.17.21",

yarn.lock

@@ -2096,12 +2096,10 @@ flat-cache@^1.2.1:
     rimraf "~2.6.2"
     write "^0.2.1"
 
-flat@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/flat/-/flat-4.1.1.tgz#a392059cc382881ff98642f5da4dde0a959f309b"
-  integrity sha512-FmTtBsHskrU6FJ2VxCnsDb84wu9zhmO3cUX2kGFb5tuwhfXxGciiT0oRY+cck35QmG+NmGh5eLz6lLCpWTqwpA==
-  dependencies:
-    is-buffer "~2.0.3"
+flat@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.1.tgz#ed5f357d6c9e754d1fdc392b1d570426f8e013c2"
+  integrity sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA==
 
 [email protected]:
   version "1.1.0"
@@ -2523,11 +2521,6 @@ is-buffer@^1.1.5, is-buffer@~1.1.1:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
-is-buffer@~2.0.3:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.5.tgz#ebc252e400d22ff8d77fa09888821a24a658c191"
-  integrity sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ==
-
 is-callable@^1.1.3, is-callable@^1.1.4, is-callable@^1.2.3:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.3.tgz#8b1e0500b73a1d76c70487636f368e519de8db8e"